/* 引入字体图标 */
@font-face {
    font-family: 'iconfont';
    src: url('../fonts/iconfont.woff') format('woff');
}
.common {
    width: 1000px;
    margin: 0 auto;
}
/* 设置字体图标 */
.iconfont {
    font-family: "iconfont";
    font-size: 16px;
    font-style: normal;
}

body {
    position: relative;
}

/* 顶部盒子 */
.top-box {
    width: 1903px;
    height: 50px;
    background-color: #fafafa;
    border-bottom: 1px solid #e5e5e5;
    margin-bottom: 1.6rem;
}

/* 班级及学校信息 */
.class-msg {
    float: left;
    cursor: pointer;
}

/* 鼠标移上时改变文字颜色 */
.class-msg:hover .class-text {
    color: #4d4d4d;
}

/* 班级头像 */
.class-image {
    width: 40px;
    height: 40px;
    float: left;
    border-radius: 50%;
    margin-top: 6px;
}

/* 班级及学校文字 */
.class-text {
    font: bold 18px/1em Helvetica;
    float: left;
    color: #666;
    margin-top: 16px;
    margin-left: 5px;
}

/* 右侧内容区 */
.operation {
    float: right;
    height: 100%;
    position: relative;
}

/* 内容区的a标签样式 */
.operation a {
    display: block;
    height: 100%;
    font: 16px Helvetica;
    line-height: 50px;
    color: #666;
    padding: 0px 13px;
    float: left;
}

/* 内容区的a标签的鼠标移入效果 */
.operation a:hover {
    background-color: #eee;
}

/* 我的班级列表 */
.my-class-list {
    position: absolute;
    width: 160px;
    top: 61px;
    left: 82px;
    border: 1px solid #ddd;
    box-sizing: border-box;
    display: none;
    z-index: 1000;
    background-color: #fff;
}

/* 我的班级列表的每一项 */
.my-class-list>li {
    height: 47px;
    color: #333;
    cursor: pointer;
    text-indent: 20px;
    font: 16px Helvetica;
    line-height: 50px !important;
}

/* 列表顶部的三角形 */
.sjx {
    position: absolute;
    display: block;
    content: "";
    width: 0;
    height: 0;
    border: 8px solid transparent;
    z-index: 1;
    border-bottom-style: solid;
    border-width: 0 8px 8px;
    left: 10px;
    top: -8px;
    pointer-events: none;
    border-bottom-color: #ccc;
    bottom: 0;
}

/* 三角形的遮盖 */
.sjx::after {
    content: '';
    position: absolute;
    top: -6px;
    left: -7px;
    z-index: 2;
    border: 7px solid transparent;
    border-bottom: 8px solid #fff;
}

/* 用户操作列表 */
.my-user-operation {
    position: absolute;
    width: 160px;
    top: 61px;
    left: 213px;
    border: 1px solid #ddd;
    box-sizing: border-box;
    display: none;
    z-index: 1000;
    background-color: #fff;
}

/* 用户操作列表的每一项 */
.my-user-operation>li {
    height: 38px;
    color: #333;
    cursor: pointer;
    text-indent: 20px;
    font: 16px Helvetica;
    line-height: 38px !important;
}

/* 清除浮动 */
.clearfix {
    clear: both;
}

/* 中间内容区 */
.centerNav {
    width: 1000px;
    margin: 0px auto;
    position: relative;
}

/* 左侧内容区 */
.nav-left {
    float: left;
    position: relative;
}

/* 用户图片 */
.avatar {
    width: 38px;
    height: 38px;
    float: left;
}

/* 老师信息及操作功能区盒子 */
.user-entry {
    margin-top: -5px;
    margin-left: 11px;
    height: auto;
}

/* 功能区盒子 */
.user-entry-box {
    float: left;
    margin-left: 20px;
    height: 48px;
    line-height: 48px;
    background: #fafafa;
    border: 1px solid #f0f0f0;
    border-radius: 4px;
    position: relative;
}

/* 功能区左侧小箭头 */
.user-entry-arrow {
    width: 10px;
    height: 10px;
    overflow: hidden;
    position: absolute;
    left: -10px;
    top: 10px;
}

/* 小箭头的before伪类 */
.user-entry-arrow::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border: solid transparent;
    border-top-color: #f0f0f0;
    border-width: 14px;
}

/* 小箭头的after伪类 */
.user-entry-arrow::after {
    width: 0;
    height: 0;
    top: 1px;
    left: 2px;
    content: '';
    position: absolute;
    border: solid transparent;
    border-top-color: #fff;
    border-width: 14px;
}

/* 教师操作区的a标签 */
.user-entry-box a {
    color: #6c829f;
    font: bold 14px Helvetica;
    margin: 0 30px 0 25px;
}

/* 班级结课按钮 */
.user-entry-box a:nth-last-child(1) {
    color: #708090;
    margin-left: 225px;
    margin-right: 17px;
}

/* 最新动态区 */
.nav-links {
    margin-top: 30px;
    height: 45px;
    border-bottom: 1px solid #d6d6d6;
}

/* 最新动态区的a标签 */
.nav-links a {
    color: #959494;
    font: bold 20px Helvetica;
    padding: 0px 6px 19px 12px;
}

.nav-links a i {
    font-size: 20px;
}

/* 所属校区 */
.from-school {
    color: #444;
    font: bold 13px Helvetica;
    background-color: #fff;
    padding: 5.5px 12px;
    border: 1px solid #ccc;
    margin-left: 279px;
}

/* 没有博文时显示的文字 */
.default {
    margin: 15px 0px 0px 59px;
    font-size: 239%;
}

.default i {
    font-size: 28px;
}

/* 筛选 */
.blog-filter {
    float: right;
    height: 25px;
    position: relative;
    margin-right: 15px;
    cursor: pointer;
}

/* 筛选：全部按钮 */
.blog-filter a {
    float: left;
    color: #333;
    font: 13px Helvetica;
    line-height: 25px;
}

/* 下箭头 */
.dropdown-caret {
    float: left;
    position: relative;
    top: 11px;
    left: 5px;
    border-top: 4px solid #666;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-bottom: none;
}

.dropup-caret {
    border-top: none;
    border-bottom: 4px solid #666;
    top: 9.5px;
}

/* 筛选的列表 */
.select-list {
    width: 150px;
    position: absolute;
    border: 1px solid #d6d6d6;
    top: 29px;
    left: -51px;
    display: none;
    background-color: #fff;
}

/* 被选中的选项 */
#status-select {
    background-image: url(../images/myClass/checkmark.png);
    background-position: left center;
    background-repeat: no-repeat;
}

/* 筛选的列表的li */
.select-list li {
    text-indent: 30px;
    width: 100%;
    height: 31px;
    display: block;
    color: #777;
}

/* 筛选列表的a标签 */
.select-list li a {
    display: block;
    width: 100%;
    height: 100%;
    line-height: 31px;
    color: #777;
}

/* 筛选的列表的hover效果 */
.select-list li:hover {
    background-color: #f1f1f1;
}

/* 右侧内容区 */
.nav-right {
    float: left;
    margin-left: 21px;
    margin-top: -6px;
}

/* 班级公告 */
.section-notice {
    width: 294px;
    height: 124px;
    border: 1px solid #ddd;
    border-radius: 2px;
}

/* 班级公告顶部盒子 */
.notice-top {
    height: 45px;
    background-color: #fafafa;
}

/* 班级公告文字及图片 */
.notice-top a:nth-child(1) {
    float: left;
    display: block;
    line-height: 43px;
    font-weight: bold;
    font-size: 13px;
    margin-left: 16px;
}

.notice-top a:nth-child(1) i {
    font-size: 13px;
}

/* 发布按钮 */
.notice-top a:nth-child(2) {
    float: right;
    display: block;
    margin-right: 17px;
    margin-top: 8px;
    width: 70px;
    height: 30px;
    font: 13px Helvetica;
    background-color: #fff;
    text-align: center;
    line-height: 30px;
    border-radius: 1000px;
    border: 1px solid #e5e5e5;
}

/* 暂无班级公告 */
.section-notice span {
    display: block;
    line-height: 81px;
    text-indent: 17px;
}

/* 最新作业 */
.new-homework {
    width: 294px;
    height: 124px;
    border: 1px solid #ddd;
    border-radius: 2px;
    margin-top: 6px;
}

.new-homework-top {
    height: 45px;
    background-color: #fafafa;
}

/* 最新作业文字及图片 */
.new-homework-top a:nth-child(1) {
    float: left;
    display: block;
    line-height: 43px;
    font-weight: bold;
    font-size: 13px;
    margin-left: 16px;
}

.new-homework-top a:nth-child(1) i {
    font-size: 13px;
}

/* 暂无作业公告 */
.new-homework span {
    display: block;
    line-height: 81px;
    text-indent: 17px;
}

/* 最新投票 */
.new-vote {
    width: 294px;
    height: 124px;
    border: 1px solid #ddd;
    border-radius: 2px;
    margin-top: 6px;
}

.new-vote-top {
    height: 45px;
    background-color: #fafafa;
}

/* 最新投票文字及图片 */
.new-vote-top a:nth-child(1) {
    float: left;
    display: block;
    line-height: 43px;
    font-weight: bold;
    font-size: 13px;
    margin-left: 16px;
}

.new-vote-top a:nth-child(1) i {
    font-size: 13px;
}

/* 暂无投票公告 */
.new-vote span {
    display: block;
    line-height: 81px;
    text-indent: 17px;
}

/* 班级成员 */
.class-mate {
    width: 294px;
    border: 1px solid #ddd;
    border-radius: 2px;
    margin-top: 6px;
}

/* 班级成员顶部盒子 */
.class-mate-top {
    height: 45px;
    background-color: #fafafa;
    margin-bottom: 8px;
}

/* 班级成员文字及图片 */
.class-mate-top a:nth-child(1) {
    float: left;
    display: block;
    line-height: 43px;
    font-weight: bold;
    font-size: 13px;
    margin-left: 16px;
}

.class-mate-top a:nth-child(1) i {
    font-size: 13px;
}

/* 添加按钮 */
.class-mate-top a:nth-child(2) {
    float: right;
    display: block;
    margin-right: 19px;
    margin-top: 5px;
    width: 70px;
    height: 30px;
    font: 13px Helvetica;
    background-color: #fff;
    text-align: center;
    line-height: 30px;
    border-radius: 1000px;
    border: 1px solid #e5e5e5;
}

/* 分类-横线 */
.hx-left {
    border-bottom: 1px solid #eee;
    position: relative;
    margin: 0 6px 6px 6px;
    text-align: right;
}

/* 分类-文字 */
.hx-left span {
    bottom: -14px;
    left: -7px;
    padding: 0px 11px;
    margin-left: 23px;
    background: #fff;
    font-weight: 700;
    position: relative;
}

/* 用户头像及文字 */
.userA {
    width: 60px;
    height: 82px;
    margin-left: 22px;
    margin-top: 24px;
}

/* 用户头像 */
.userA img {
    border: 1px solid #ddd;
    padding: 2px;
}

/* 用户文字 */
.userA span {
    color: #095f8a;
}

/* 分页左右按钮盒子 */
.fenye {
    margin-left: 184px;
    margin-bottom: 20px;
}

/* 分页按钮 */
.fenye button {
    width: 41px;
    height: 30px;
    background-color: #e6e6e6;
    border: 0;
    border-radius: 2px;
    font-size: 10px;
}

/* 热门博文 */
.hot-text {
    width: 294px;
    height: 124px;
    border: 1px solid #ddd;
    border-radius: 2px;
    margin-top: 6px;
}

.hot-text-top {
    height: 45px;
    background-color: #fafafa;
}

/* 最新投票文字及图片 */
.hot-text-top a:nth-child(1) {
    float: left;
    display: block;
    line-height: 43px;
    font-weight: bold;
    font-size: 13px;
    margin-left: 16px;
}

.hot-text-top a:nth-child(1) i {
    font-size: 13px;
}

/* 暂无投票公告 */
.hot-text span {
    display: block;
    line-height: 81px;
    text-indent: 20px;
}

/* 页面底部法律信息 */
.warn-msg {
    text-align: center;
    margin: 30px 0px;
}

/* 法律信息的a标签 */
.warn-msg a {
    color: #0e90d2;
}

/* 发布公告盒子 */
.announce {
    width: 530px;
    height: 258px;
    position: absolute;
    top: 117px;
    left: 64%;
    padding-bottom: 10px;
    margin-left: -530px;
    border-radius: 4px;
    border: 1px solid #999;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.1);
    background-color: #fff;
    display: none;
}

/* 顶部文字及取消按钮盒子 */
.announce-top {
    height: 45px;
    border-bottom: 1px solid #ddd;
}

/* 发布公告文字 */
.announce-top span {
    display: inline-block;
    font-size: 14px;
    font-family: Helvetica;
    font-weight: bold;
    margin-top: 15px;
    padding-left: 15px;
}

/* 取消按钮 */
.announce-top button {
    position: relative;
    float: right;
    top: 9px;
    right: 13px;
    padding: 0 4px;
    font-size: 21px;
    font-weight: bold;
    line-height: 1;
    color: #000;
    text-shadow: 0 1px 0 #FFF;
    opacity: .2;
    filter: alpha(opacity=20);
    cursor: pointer;
    background: transparent;
    border: 0;
    -webkit-appearance: none;
}

.announce form {
    width: 490px;
    height: 113px;
    margin: 30px auto;
}

/* 发布公告的文本域 */
.announce form textarea {
    width: 100%;
    height: 100%;
    border: 1px solid #ddd;
    text-indent: 8px;
    line-height: 30px;
    font-size: 16px;
}

/* 文本域的提示文字 */
.announce form textarea::-webkit-input-placeholder {
    text-indent: 8px;
    line-height: 30px;
    font-size: 16px;
    font-family: Helvetcia;
    color: #999999;
}

.announce-btn-area {
    float: right;
    margin-right: 17px;
    margin-bottom: 10px;
}

/* 操作按钮 */
.announceBtn {
    float: left;
    width: 54px;
    height: 34px;
    border: none;
    border-radius: 4px;
    border: 1px solid #ccc;
    background-color: #fff;
    text-align: center;
    line-height: 34px;
    font-size: 14px;
    font-family: Helvetica;
    margin-left: 5px;
}

/* 发布按钮 */
.announce-btn {
    background-color: #428bca;
    color: #fff;
}